diff --git a/mbuni/mmlib/mms_mm7soap.c b/mbuni/mmlib/mms_mm7soap.c
index 849fdb8..801f204 100644
--- a/mbuni/mmlib/mms_mm7soap.c
+++ b/mbuni/mmlib/mms_mm7soap.c
@@ -633,7 +633,7 @@ int mm7_soapmsg_to_httpmsg(MSoapMsg_t *m, List **hdrs, Octstr **body)
      
      headers = http_create_empty_headers();
      http_header_add(headers, "Content-Type", octstr_get_cstr(ctype));
-     http_header_add(headers, "SOAPAction", "\"some-url\"");
+     http_header_add(headers, "SOAPAction", "\"\"");
      mime_replace_headers(mime, headers);
      http_destroy_headers(headers);